空分多路 的英文怎麼說
中文拼音 [kōngfēnduōlù]
空分多路
英文
sdm space division multiplexing-
Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。The integrated analysis and valuation of the sight character in hubin has been performed from the following aspects inclusive of landscape spacial web structure, spacial status and element detailed character with the forementioned method and graphic expression tools. 3 ) the historical evolvement of the whole landscape around the lake has been analyzed according to the system integration theory of landscape ecology. the whole characteristic of the traditional landscape around the lake has been researched from the three aspects as follows : variety of the landscape ; spacial interaction and continuation ; consistency as a whole, then the special skeleton of traditional landscape around the lake is discovered and the scientific foundation of landscape protection and control for the urban planning of traditional block is established
首先,本文對于湖濱街區的現存景觀狀況、歷史文脈、居民生活環境質量做了大量調查與評價,並對居民對于現行規劃成果的評價以及對于未來景觀發展的看法做了深入的調查;第二,根據國際上關于城市景觀特質保護的最新研究思想,結合中國文化的特點,創新性地提出了傳統景觀特質的場所文脈評價方法,採用幾何結構模擬的圖示解剖手段,從景觀空間網路結構、景觀空間形態、景觀元素細部特徵等多方面對湖濱地區的景觀特質進行了整體分析評價;第三,根據景觀生態學的系統整體性理論,分析了整個環湖地區景觀歷史演變發展,並且從景觀多樣性、空間滲透、延續性與整體一致性三方面研究了環湖地區傳統景觀的整體特徵,找到了環湖地區傳統景觀的獨特脈絡,為傳統街區的更新規劃找到了景觀保護與控制管理的科學依據。Along with the development of modern education technology which bases on the kernel of multi - media computer and network technology, teaching on line has become more and more fashionable. as a supplementary for traditional teaching method, it not only has the function of traditional teaching method but also has some characteristic such as sharing the teaching resource, separating teaching time and space, advantageous for suiting teaching methods to students and etc. it became an efficient way to solve the contraditions between the knowledge explosion and study time limited, lt is also an dfficient way to solve the contradition between shot of teacher and increasement of learner. lt proved the fundation and technological guarantee to put the policy into practice that entire nation in education and education in all one ' s life. so it is quite worthwhile for all educators to consider how to develop more and better networked teaching resources and it became an important mission to them
隨著以計算機技術和網路技術為核心的信息技術的發展和普及,網上教學成為當今教育界的熱門話題。作為傳統教學方式的有益補充,它不僅能夠實現傳統教育的功能,而且具有許多獨特的優勢:諸如教學資源共享、教學時空分離、更有利於因材施教等,從而成為在「信息時代」解決「知識爆炸」與「學習時間有限」的矛盾以及「從教人員不足」與「受教人員增加」的矛盾的有效途徑,也為實行「全民教育」 、 「終身教育」提供了可靠的物質基礎和技術保障,如何開發更多基於網路的教學資源成為教育工作者的使命。First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target
本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。It is very important that the understanding of regional metallogenic rules should be emphasized and the thinking of exploration and research opened up. in this thesis, mainly metallogenic types, tectonic setting, space - time distributions and the ore - controlling and metallogenic conditions for copper ore deposits in gansu province are studied on based inducing past formation which basic theories and methods of the modern geology, mineral deposits and related learning are applied and a serious of formation synthesized throughout depending on guide of regional. - metallogenic theories. a rule of development, enrichment and regional metallogeny would be preliminary summaries in terms of analyzing mineral prospecting for gansu ' s copper, gold and polymetallic minerals, and the relation between the indosinian - yanshan structural - magmatic activities is studied and exploration prospect and positions analyzed as well as a new countermeasure and thinking about research for minerals in this area be suggested
本論文在總結、分析前人成果資料基礎上,以區域成礦學理論為指導,運用現代地質學、礦床學及相關專業、學科的基本理論與方法,綜合多種成礦信息,對甘肅省銅礦主要成礦類型及其成礦地質構造背景、時空分佈特徵與主要控(成)礦條件進行了研究;從礦產勘查的角度,初步總結了甘肅銅、金及多金屬礦產的發育、富集與區域成礦規律;探討了印支-燕山期構造-巖漿活動與大型-超大型銅礦床的形成關系;研究分析了甘肅銅礦資源的勘查前景與找礦方向,提出了該區礦產勘查研究新思路。This series of control box can control the quickly closing valves which in the different situations remotely through the compress air which stored in the air bottle, the air source may divide into several ways according to need
本系列控制箱通過空氣瓶儲存的壓縮空氣對不同場合的速關閥進行遙控,氣源可根據所需控制的閥門數量分為多路。Icao make a standard of very high frequency data link mode 4 ( vdl mode 4 ) on the basis of self - organizing time division multiple access ( s - tdma ), this standard is considered to be one of the basic solutions of aviation mobile communication
該標準基於自組織時分多路訪問技術,其主要特點是:支持實時應用,採用短消息進行信息交換,並且可以在缺少地面基礎設施的情況下保障空空通信。Due to the data transmission characteristics between tags and reader, space division multiple access ( sdma ), frequency division multiple access ( fdma ) and code division multiple access ( cdma ) are applied in a limited way in rfid system. therefore, time division multiple ( tdma ) has been generally accepted. according to tdma, there are aloha protocol, s - aloha, binary - tree protocol, clipped binary - tree protocol and others
解決這個問題必須要用到多路存取法,針對射頻識別系統中閱讀器與應答器之間的通信特點,空分多路法、頻分多路法、碼分多路法在rfid系統中應用都受到一定的限制,只能應用到一些特定的場合,一般採用時分多路法,按照時分多路法的演算法有aloha演算法、時隙aloha演算法、二進制樹型搜索演算法、修剪枝的二進制樹型搜索演算法等防碰撞演算法協議,分析了各自特點以及存在的缺點。Hc - sdma high capacity - spatial division multiple access hc - sdma
大容量-空分多路存取Previous research on the ad hoc network almost aim at omnidirectional antenna of all receivers and transmitters, or as a default attribution. in my thesis, firstly i describe the advantages of the directional antenna at many aspects which including spatial division multiple access ( sdma ), the antenna gain, anti - interference etc. and analyze the possibility about the directional antenna used for the ad hoc networks, secondly i study its multiple access and routine protocols using the directional antenna. and compare the protocol difference and network " performance between omnidirectional and directional antenna in particular environment
首先闡述了定向天線在網路空分復用( sdma ) 、天線增益、抗干擾等方面的的優勢,分析了定向天線用於移動自組網的可行性,接著重點研究了基於定向天線的多址接入協議和路由協議,分析了與全向天線在組網和協議實現中的異同點和優缺點,並對特定的環境下的網路性能作了對比。Abstract : putting forward three important strategies of water resources macrocontrol and regional management, water resources saving development path and multiwater resources comprehensive exploitation and utilization aiming at water resources shortage, spacetime distribution characteristics and agricultural development situation, to ensure agricultural sustainable development, settle food safety and realize sustainasble development strategy in china in the 21 st century
文摘:針對我國水資源短缺、時空分佈特點和農業發展現狀,提出水資源宏觀調控與區域管理、水資源節約型發展道路和多水資源綜合開發利用三大方略,保證我國農業可持續發展,解決我國食物安全問題,實現我國21世紀可持續發展戰略。Some theoretical problems on kinematic analysis of spatial linkage and circuit identification of linkages, the method of parameterized solid motion simulation of linkages are studied systematically and deeply in this dissertation
本文對連桿機構的迴路識別問題、空間多環機構運動分析理論以及連桿機構的參數化實體運動模擬問題進行了深入系統的研究。By comparing the image - preprocessing results of different processing algorithms, an optimized algorithm was decided to ensure satisfying correlation snr and preprocessing rate to be obtained. synthetic discriminant function ( sdf ) filters of the 3 - d targets were designed and the reference filter libs ( rfl ) were constructed to provide high correlation snr. real - time distortion - invariant optical correlation was realized by temporal - spatial multiplexing technique
為了保證opr系統有高的相關信噪比( snr )及良好的實時性能,本文對不同圖像預處理演算法的處理性能及效果進行了比較分析,為opr系統選取恰當的圖像預處理演算法提供了依據;將時間多重化技術與空間多重化技術相結合,設計製作了三維目標的可實時刷新的sdf參考濾波器庫,為opr系統提供了高snr的相關輸出,從而實現了opr系統對目標的實時畸變不變光學相關;將人工神經網路( ann技術)用於相關信號后處理,有效提高了opr系統的識別效率。Aerospace series - in - line couplers for use in multiplex data bus systems in accordance with mil - std - 1553b - part 001 : technical specification
航空航天系列.符合mil - std - 1553b的多路數據總線系統中使用的直排耦合器.第001部分:技術規范Aerospace series - in - line couplers for use in multiplex data bus systems in accordance with mil - std - 1553b - part 004 : double in - line couplers - product standard
航空航天系列.符合mil - std - 1553b的多路數據總線系統中使用的串聯耦合器.第004部分:復式串聯耦合器.產品標準Aerospace series - in - line couplers for use in multiplex data bus systems in accordance with mil - std - 1553b - part 003 : single in - line couplers - product standard
航空航天系列.符合mil - std - 1553b的多路數據總線系統中使用的串聯耦合器.第003部分:單個串聯耦合器.產品標準This is a special category of fpc, including single - sided, double - sided and multiple - sided pre - punch fpc. in some areas of the panel, circuits completely stay off the base material, leaving the copper wires naked
透空線路板是柔性線路板中的一個特殊分類,它包括單層透空,雙層透空和多層透空。On deriving the upper bound of alpha - lifetime for large sensor networks. uiuc computer science technical report uiuc dcs - r - 2004 - 2410. 5 howard a, mataric m j, sukhatme g s. mobile sensor network deployment using potential fields : a distributed scalable solution to the area coverage problem
於是,在目前tdma機制的無線網路中,一個菲常重要的問題是,在空分tdma機制下,給定路由信息與網路負載的條件,通過對mac層進行鏈路調度來最大化多跳網路吞吐量。For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved
全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,最後介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能預測的通用模型,從而跟蹤復雜多變的無線環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒效應所引起的衰落)等網路特徵,達到預測功率需求;四、採用二級正交碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。This paper makes a study of the simple fault detecting of oil field power system realizing by computer, proposes to apply the theory of traveling wave location and has the clarity of mathematical model concept and high automation. to the power delivery system with many emitting branches, it has a practical sense to save computer operation period and memory, making software design and simulation
本論文研究油田電力系統簡單故障檢測的一種計算機實現方法,提出利用互感器模型的行波法測距理論,數據模型概念清晰,自動化程度較高,對架空輸電線路放射式分支路較多的電網能顯著節省機時和內存,並進行軟體設計與模擬,具有一定的實用意義。分享友人